/*-
* Copyright (c) 2020 The FreeBSD Foundation
*
* This software was developed by Emmanuel Vadot under sponsorship
* from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __LINUX_IRQ_WORK_H__
#define __LINUX_IRQ_WORK_H__
#include <sys/param.h>
#include <sys/taskqueue.h>
struct irq_work;
typedef void (*irq_work_func_t)(struct irq_work *);
struct irq_work {
struct task irq_task;
irq_work_func_t func;
};
extern struct taskqueue *linux_irq_work_tq;
#define DEFINE_IRQ_WORK(name, _func) struct irq_work name = { \
.irq_task = TASK_INITIALIZER(0, linux_irq_work_fn, &(name)), \
.func = (_func), \
}
void linux_irq_work_fn(void *, int);
static inline void
init_irq_work(struct irq_work *irqw, irq_work_func_t func)
{
TASK_INIT(&irqw->irq_task, 0, linux_irq_work_fn, irqw);
irqw->func = func;
}
static inline void
irq_work_queue(struct irq_work *irqw)
{
taskqueue_enqueue(linux_irq_work_tq, &irqw->irq_task);
}
static inline void
irq_work_sync(struct irq_work *irqw)
{
taskqueue_drain(linux_irq_work_tq, &irqw->irq_task);
}
#endif /* __LINUX_IRQ_WORK_H__ */
